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joja [24]
2 years ago
7

Find area and perimeter

Mathematics
1 answer:
erik [133]2 years ago
4 0

Answer:

Area: 20cm^2

perimeter: 20cm

(4*2) + (4*3) =

8 + 12 = 20cm^2

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If the side length of a cube is 40 what is the surface area
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A cube has 6 sides.

A cube is all made up of squares.

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3 years ago
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Jet001 [13]
Find the volume

volume=hpir^2
d/2=r=16/2=8


1.
hmm, ok, after 1/2 hour or 30 mins
30/5=6
6*1=6, 6 cubic meters
volume=6, solve for height
v=hpir^2
but r=8 all the time, solve for h
6=hpi8^2
6=hpi64
6/(64pi)=h
the depth is \frac{3}{32 \pi} meters or about 0.02984155182973037545666570563235 meters
the depth is about 0.03 meters



2. the full volume is
v=6pi8^2=6pi64=384pi
1 cubic meter every 5 mins so
384pi/1 is how many 5 mininute intervals
so 384pi times 5=total minutes=1920pi minutes or about 6031.8578948924030178482752958966minutes
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3 years ago
Two less than 2 times a number is the same as the number plus 64
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The equation below shows the relationship between the temperature in degrees Celsius, C, and degrees Fahrenheit, F:
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Th first answer
F = 9 over 5 C + 32
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